Mexican E-Commerce Partner Needed

I need a reliable collaborator who is physically living in Mexico and can help me complete a specific e-commerce task from home. Once the agreed work is delivered, I release a single, upfront-defined payment—no long-term commitments or recurring milestones... (Budget: $30 - $250 USD, Jobs: Amazon, Customer Service, eBay, Marketing, Product Sourcing, Sales, Shopify, Social Media Marketing)